Schaltpläne Elektrik 1993 525i - M5
20.6MB Teil 1
http://www.d2a.ch/data/BMWe34_1993_5...ugelektrik.pdf

part 2
http://www.d2a.ch/data/BMWe34_1993_5...trik_Teil2.pdf

download them as long as available

and English various years and models
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